Magaji, J.Y. (2009) The Impact of Waste Dump on Soil and Water Quality. A Case Study of Mpape Dumpsite, FCT, Abuja. An Unpublished Ph.D. Thesis Submitted to the Department of Geography and Environmental Management, University of Abuja, Abuja.
 Musa, O.K., Shuaibu, M.M. and Kudamnya, E.A. (2013) Heavy Metal Concentration in Groundwater around Obajana and Its Environs, Kogi State, North Central Nigeria. American Journal of Contemporary Research, 3, 170-177.
 Ogunlaja, A. and Ogunlaja, O.O. (2007) Physico-Chemical Analysis of Water Sources in Ubeji Community and Their Histological Impact on Organs of Albino Mice. Journal of Environmental Management, 11, 91-94.
 Ajibade, L.T., Ogunkolu, A.B. and Ogundare, I.O. (2014) Physico-Chemical and Biological Characteristics of Hand Dug Well Water in Ilorin Metropolis, Nigeria. Nigeria Geographical Journal, 9, 146-162.
 Ajibade, O.M., Omisanya, K.O. and Odunsi, G.O. (2011) Groundwater Portability and Flow Direction of Urban Aquifer, Ibadan Southwest Nigeria. Journal of the Nigerian Association of Hydrologist, 21, 38-55.
 Nwachukwu, E., Ihedioha, J.N., Eze, I. and Agbazue, V.E. (2014) Health Risk Assessment in Relation to Heavy Metals in Water Resources in Rural Regions of South East Nigeria. International Journal of Physical Science, 9, 109-116.
 Adekunle, M., Adetunji, M.T., Gbadebo, A.M. and Banjoko, B (2007) Assessment of Groundwater Quality in a Typical Rural Settlement in South West Nigeria. INT. Journal of Environmental Research and Public Health, 4, 307-318.
 Yahaya, M.I., Mohammed, S. and Abdullahi, B.K. (2009) Seasonal Variation of Heavy Metals Concentration in Abattoir Dumping Site in Nigeria. Journal of Applied Sciences and Environmental Management, 13, 9-13.